How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for an effortless transition between outdoor and indoor spaces. Over time, they can begin to wear out and require repair. There are plenty of solutions to repair your bifold doors. Here are a few common issues and solutions: https://repairingbifolddoors98939.bloguerosa.com/29926223/20-fun-informational-facts-about-bi-fold-door-repair